/* 关于我们页面样式 */
.about-page {
    padding-top: 60px;
}

/* 英雄区域 */
.about-hero {
    background: var(--green-gradient);
    padding: 4rem 1rem;
    text-align: center;
    color: white;
}

.about-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* 公司简介 */
.company-intro,
.company-culture,
.quality-control {
    padding: 4rem 5%;
    background: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* 发展历程样式 */
.timeline {
    margin: 3rem 0;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    display: flex;
    margin-bottom: 2rem;
    position: relative;
    padding: 1rem;
}

.timeline-item .year {
    width: 100px;
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.2rem;
    text-align: right;
    padding-right: 2rem;
    flex-shrink: 0;
}

.timeline-item .event {
    flex: 1;
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 10px;
    margin-left: 2rem;
    position: relative;
}

.timeline-item .event::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-item .event h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-item .event p {
    color: var(--text-color);
    margin: 0;
}

/* 统计数据 */
.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-color);
    margin-top: 0.5rem;
    display: block;
}

/* 企业文化 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.culture-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: transform 0.3s;
}

.culture-item:hover {
    transform: translateY(-5px);
}

.culture-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* 质量保证 */
.quality-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.quality-item {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: transform 0.3s;
}

.quality-item:hover {
    transform: translateY(-5px);
}

.quality-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: column;
    }

    .timeline-item .year {
        width: auto;
        text-align: left;
        padding-left: 60px;
        margin-bottom: 1rem;
    }

    .timeline-item .event {
        margin-left: 60px;
    }

    .culture-grid,
    .quality-grid {
        grid-template-columns: 1fr;
    }

    .company-stats {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }
} 